On each Loop, try formstate=iteration. Here's an example:
http://jumpstart.doublenegative.com.au/jumpstart/examples/tables/editableloop1
And for T5.4:
http://jumpstart.doublenegative.com.au/jumpstart7/examples/tables/editableloop1
Cheers,
Geoff
On 16/04/2014, at 12:30 AM, Tony Nelson wrote:
I am trying to build a form where there are N instances of a custom editing
component. For example, something simple like:
t:container xmlns:t=http://tapestry.apache.org/schema/tapestry_5_3.xsd;
${idx} :
Id: t:textfield value=domainObj.id validate=maxLength=5 maxlength=5
/ :
B: t:textfield value=domainObj.a validate=maxlength=10 maxlength=10
/
br/
/t:container
The component Java code is trivial:
public class EditObject {
@Property
@Parameter(required = true)
SimplePojo domainObj;
@Property
@Parameter(required = false, value = 0)
Integer idx;
void onValidate() {
log.info(EditObject onValidate: + domainObj);
}
}
There is no AJAX, just a simple posted form.
This component is used like this:
!DOCTYPE html
html
xmlns:t=http://tapestry.apache.org/schema/tapestry_5_3.xsd;
head
titleMultiple components in a loop/title
/head
body
t:form t:id=myForm
h3Group A/h3
t:loop source=groupA value=domainObj index=idx element=div
t:EditObject domainObj=domainObj idx=idx/
/t:loop
h3Group B/h3
t:loop source=groupB value=domainObj index=idx element=div
t:EditObject domainObj=domainObj idx=idx/
/t:loop
t:submit value=Submit/
/t:form
/body
/html
The main controller is very simple:
public class MultiDemo {
@Inject
private Logger logger;
@Property
ListSimplePojo groupA;
@Property
ListSimplePojo groupB;
@Property
SimplePojo domainObj;
@Property
Integer idx;
@Log
void onValidateFromMyForm() {
for (SimplePojo sp : groupA) {
logger.info(A: + sp.toString());
}
for (SimplePojo sp : groupB) {
logger.info(B: + sp.toString());
}
}
@Log
void setupRender() {
createGroups();
}
@Log
void onPrepare() {
// if this is commented out, I get a NPE in onValidateFromMyForm
createGroups();
}
void createGroups() {
groupA = createGroup();
groupB = createGroup();
}
ListSimplePojo createGroup() {
ListSimplePojo result = new ArrayListSimplePojo();
for (int i = 0; i 3; i++) {
result.add(new SimplePojo());
}
return result;
}
}
That's it, the whole page. But I just can't get it to work.
If I comment out onPrepare() I get a NPE in the onValidateFromMyForm, which
makes sense. With it uncommented, onValidateFromMyForm is always new null
filled objects.
The logging in the component onValidate shows domainObj.id being set, but
never domainObj.A.
When the form redraws, it loses any values I typed in and is blank again.
I'm missing something obvious I'm sure, but can't see what it is.
Any help would be greatly appreciated.
Thanks
Tony
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